/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraParameterMapHistory.h
int32 RegisterConstantFromInputPin ( const [FInputPin](API\Plugins\NiagaraEditor\TNiagaraParameterMapHistoryBuild-\FInputPin) * InputPin, const [FString](API\Runtime\Core\Containers\FString) & PinDefaultValue )